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  1. HBase
  2. HBASE-12058 [Umbrella] Reduce unnecessary object allocations
  3. HBASE-12748

RegionCoprocessorHost.execOperation creates too many iterator objects

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.94.25, 0.98.9
    • 1.2.0, 1.3.0, 0.98.15, 1.1.8, 2.0.0
    • None
    • None
    • Reviewed

    Description

      This is typical pattern of enhanced for ... loop usage in a hot code path. For every HBase operation it instantiates iterator for coprocessor list twice.

      Attachments

        1. HBase-12748.patch
          6 kB
          Vladimir Rodionov
        2. HBASE-12748.patch
          20 kB
          Andrew Kyle Purtell
        3. HBASE-12748.patch
          23 kB
          Andrew Kyle Purtell

        Activity

          People

            apurtell Andrew Kyle Purtell
            vrodionov Vladimir Rodionov
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            Dates

              Created:
              Updated:
              Resolved: